123492057 has 8 divisors (see below), whose sum is σ = 177321984. Its totient is φ = 75995088.

The previous prime is 123492023. The next prime is 123492059. The reversal of 123492057 is 750294321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123492057 - 2¹⁴ = 123475673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123492059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583193 + ... + 1583270.

It is an arithmetic number, because the mean of its divisors is an integer number (22165248).

Almost surely, 2^123492057 is an apocalyptic number.

It is an amenable number.

123492057 is a deficient number, since it is larger than the sum of its proper divisors (53829927).

123492057 is a wasteful number, since it uses less digits than its factorization.

123492057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166479.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 123492057 is about 11112.6980072348. The cubic root of 123492057 is about 497.9812697589.

The spelling of 123492057 in words is "one hundred twenty-three million, four hundred ninety-two thousand, fifty-seven".